Invention Grant
- Patent Title: Method for making a toothbrush
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Application No.: US14039858Application Date: 2013-09-27
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Publication No.: US09609942B2Publication Date: 2017-04-04
- Inventor: Erwin Buchholz
- Applicant: M+C Schiffer GmbH
- Applicant Address: DE Neustadt/Wied
- Assignee: M+C SCHIFFER GMBH
- Current Assignee: M+C SCHIFFER GMBH
- Current Assignee Address: DE Neustadt/Wied
- Agency: The Webb Law Firm
- Main IPC: A46D3/00
- IPC: A46D3/00 ; A46B9/04 ; B29C45/16 ; A46B5/00 ; B29C45/00 ; B29L31/42

Abstract:
A method for making a toothbrush including a handle, a head including at least one cleaning element extending therefrom, and a hinge arranged between the head and the handle, said hinge including a joint between the handle and the head of a harder thermoplastic component covered by a softer thermoplastic component is provided, the method including: forming a base body by injection molding of a first thermoplastic material forming one of the handle or the head, and injection molding of a second thermoplastic material for forming the other of the handle or the head to thereby fuse the second thermoplastic material against the first thermoplastic material; placing the base body into a further mold; and injection molding the softer thermoplastic component for covering the joint.
Public/Granted literature
- US20150089758A1 Method for Making a Toothbrush Public/Granted day:2015-04-02
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